简便计算 4.05+37.85 =

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简便计算4.05+37.85=简便计算4.05+37.85=简便计算4.05+37.85=4.05+37.85=4+(0.05+37.85)=4+37.9=41.941.90.............

简便计算 4.05+37.85 =
简便计算 4.05+37.85 =

简便计算 4.05+37.85 =
4.05+37.85
= 4+(0.05+37.85)
=4+37.9
=41.9

41.90 ...............